<!-- 列表：ol为序列号，li为表的内容，字符“A”和数字会递增 reversed为倒序 -->
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>列表</title>
	</head>
	<body>
		<ol type="A"> 
			<li>a</li>
			<li>a</li>
			<li>a</li>
		</ol>
		<ol reversed>
			<li>a</li>
			<li>a</li>
			<li>a</li>
		</ol>
		<ol type="1">
			<li>a</li>
			<ol type="a">
			<li>a</li>
			<li>a</li>
			</ol>
		</ol>
		<ul>
			<li>a</li>
			<li>a</li>
		</ul>
	</body>
</html>
